A beautifully illustrated survey of Cuban architecture as shown through its private houses. Llanes, a museum curator in Havana, covers the splendid architecture of Cuba from the 16th century to the 19th Century in Havana as well as provincial towns, and the countryside. Organized chronologically, explanatory essays on the history and function of Cuban architecture accompany the 168 handsome color photographs.  (CBA31, $34.95)